Question #4 (2pts) (2pts)
An electrician charges $90 to identify a problem and $85 per hour to fix the problem. The total
cost c equals 85 times the number of hours x plus 90. Write an expression for the relationship
and complete the table.
Input
Rule
Output
Time (hr), X
Cost ($), c
1
2
3
4

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x